in the late 1950s our code word for a fallout shelter built in virginia for the entire u.s. congress. >> we have prepers who are very wealthy and are preparing for the end of the world. >> he has been preping for a nuclear war with russia for the last 35 years. he is concerned that his bunker may not be deep enough in the ground. >> to ensure his safety, big al has purchased a salvage fuel tank and gamma ray shelter. >> y-2k was for many preppers a turning point. >> just before the celebration in 2000 there was concern about our technology crashing. >> the fiasco had a silver lining to it because of the fact that so many people were concerned about the switching of the calendar and fact it could be computer glitches meant that programers were assigned to gather out all the possible glitches. >> david is a disabled truck driver. >> i'm preparing for an electromagnetic pulse that will disable the transportation system of the united states. >> of all there is one incident they have to be careful about. that is gigantic a solar storm when the sun has a temper tantrum. it would b